JPH0659239A - Projector device - Google Patents

Projector device

Info

Publication number
JPH0659239A
JPH0659239A JP4233001A JP23300192A JPH0659239A JP H0659239 A JPH0659239 A JP H0659239A JP 4233001 A JP4233001 A JP 4233001A JP 23300192 A JP23300192 A JP 23300192A JP H0659239 A JPH0659239 A JP H0659239A
Authority
JP
Japan
Prior art keywords
slide
projector
liquid crystal
display panel
crystal display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4233001A
Other languages
Japanese (ja)
Inventor
Mizuho Ikeda
瑞穂 池田
Original Assignee
Sony Corp
ソニー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp, ソニー株式会社 filed Critical Sony Corp
Priority to JP4233001A priority Critical patent/JPH0659239A/en
Publication of JPH0659239A publication Critical patent/JPH0659239A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain the projector device which can projects record images of a slide and a beltlike film and is usable as a video light or flashlight in addition to a function for projecting images recorded on a video recording medium on a screen. CONSTITUTION:A liquid crystal display panel 7 which transmits light from a light source 4 and a slide holder 12 are arranged between the light source 4 and an image projection window 10 so that they can be switched; and the slide holder 12 has a slide entrance 19 for inserting the slide into the slide holder 12 and a holding part 15 equipped with an entrance 16 and an exit 17 for the beltlike film 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a function of projecting an image photographed by a video camera on a screen by enlarging it, as well as a function of projecting an image of a slide or a strip of film,
The present invention also relates to a projector device having a lighting function such as a video light and a flashlight.

[0002]

2. Description of the Related Art Recently, a photographing device such as a video camera has a recording / reproducing function, and when a recorded image is reproduced on a video recording medium such as a tape cassette, a projector device is connected to the photographing device. Then, by sending a video output signal from the photographing device to the projector device, the projector device can enlarge and project the image on the screen for viewing. Further, in general, the projector device is provided with a reflecting mirror, a light bulb, a condenser lens, a condenser lens, a liquid crystal display panel, in a casing, in a front direction for projecting an image.
The projection lens is sequentially arranged, and the liquid crystal display panel is fixed.

[0003]

By the way, as described above, the conventional projector device has a dedicated structure for projecting an image recorded by a photographing device such as a video camera. The strip-shaped film could not be projected, had a narrow range of use, and lacked commercial viability. In addition, since the liquid crystal display panel is fixed, there is a disadvantage that the projector device cannot be used as a video light or a flashlight. Incidentally, since the liquid crystal display panel has an extremely low light transmittance of about 2 to 4%, it cannot be used as a lighting fixture as it is. The present invention has been devised in view of the above circumstances, and an object of the present invention is to provide a function of projecting an image recorded by video, a function of projecting an image of a slide or a film,
It is to provide a projector device having a function as a lighting device.

[0004]

In order to achieve the above object, a projector device according to a first aspect of the present invention is a liquid crystal that transmits light from the light source between a light source and an image projection window provided in a casing. The display panel and the slide holder for holding the slide are arranged so as to be switchable. Further, the slide holder has a holding portion for the strip-shaped film having an inlet and an outlet for the strip-shaped film. Further, the liquid crystal display panel and the slide holder are connected to each other at a predetermined angle and can be switched by rotating. Further, the predetermined angle between the liquid crystal display panel and the slide holder is 90 degrees.
It is characterized by being °.

In the projector device according to the second aspect of the invention, the liquid crystal display panel installed between the light source provided in the casing and the image projection window has a direction orthogonal to the optical axis of the light source and a direction from the optical axis. It is characterized in that it is provided so as to be switchable in a direction parallel to the optical axis while being off.

[0006]

According to the projector device of the first invention,
By installing the liquid crystal display panel between the light source and the image projection window, the image recorded on the video recording medium is displayed on the liquid crystal display panel as an original projector device.
The display image of this liquid crystal display panel can be projected on the screen. Further, by switching and setting from the liquid crystal display panel to the slide holder, the image of the slide is projected, and by inserting the band-shaped film into the band-shaped film holding portion provided in the slide holder, the image of the band-shaped film is projected. be able to. Further, when the light is switched to the slide holder, the light from the light source is emitted through the light-transmitting window provided in the slide holder, so that it can be used as a video light or a flashlight.

According to the projector device of the second aspect of the present invention, by installing the liquid crystal display panel between the light source and the image projection window so as to face the optical axis, the projector device can be used as the original projector device. Further, by removing the liquid crystal display panel from the optical axis and switching it so as to be parallel to the optical axis, there is no obstruction of light emitted from the light source, and it can be used as a video light or a flashlight.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic configuration of the projector apparatus of the first embodiment. In FIG. 1, 1 is the projector apparatus, 2 is its casing, L is an optical axis, and the right side in FIG. 1 is the front end side. The projector device 1 includes a long box-shaped casing 2 having a rectangular cross-section, and a reflecting mirror 3, a light bulb 4, a heat ray absorbing filter 5 that absorbs heat rays emitted from the light bulb 4, and a light condensing light from a rear end to a front end. Condenser lens 6, a liquid crystal display panel 7 on which an image recorded on a video tape (video recording medium) is displayed, and a projection lens 8 for projecting the image displayed on the liquid crystal display panel 7 on a front screen in order. Has been placed.

The light bulb 4 is supported by a reflecting mirror 3, and the reflecting mirror 3, the heat ray filter 5, and the condenser lens 6 are supported and fixed to the casing 2 at respective peripheral line portions. The projection lens 8 is supported in a lens barrel 9, and the lens barrel 9 is supported in a support hole provided at the front end of the casing 2 so as to be movable back and forth so that focusing can be performed on a screen during image projection. It is configured. In FIG. 1, reference numeral 10 indicates an image projection window.

As shown in FIG. 2, the liquid crystal display panel 7 is supported in a rectangular frame-shaped panel holder 11, and a slide holder 12 is integrally fixed to the panel holder 11. That is, the lower edge of the panel holder 11 and the edge of the central portion of the slide holder 12 are fixed so as to be orthogonal to each other, and both the fixed portions can be pivoted in the front-rear direction in the casing 2 as fulcrums. It is rotatably supported by the casing 2 by a hinge 13. Therefore, when the panel holder 11 is vertically erected, the slide holder 12 is horizontally laid flat, and when the slide holder 12 is erected, the panel holder 11 is horizontally laid flat. Panel holder 11
The slide holder 12 and the slide holder 12 are provided on the side of the casing 2 by means of a lever.
1 and the slide holder 12 can be erected.

In the slide holder 12, a film 14 is placed.
An insertion groove (holding portion) 15 through which the is inserted is provided across the left and right of the casing 2. As shown in FIGS. 2 and 3, a film inlet 16 is provided on the right end side and a film outlet 17 is provided on the left end side. It is provided. Slide holder 12
A swelling portion is formed on one end side (upper end side when standing up) of the central portion of the slide 18, and an inlet 19 of the slide 18 is provided in the swelling portion, and the slide 18 is inserted into the slide holder 12 from the slide inlet 19. Is configured to.

Further, a window portion 20 having a size corresponding to one frame of the slide 18 and the film 14 is formed in the central portion of the slide holder 12 corresponding to the liquid crystal display panel 7 so that light from the light bulb 4 can be received. It is configured to be transparent. Further, on the upper surface of the casing 2, the slide holder 1
A slide insertion opening for inserting the slide 18 is provided in the slide entrance 19 when the apparatus 2 is erected. On the side surface of the casing 2, when the slide holder 12 stands up, the film 1
An insertion opening for inserting 4 into the film entrance 16 and an insertion exit for taking out the film 14 from the film exit 17 are provided.

Since this embodiment is constructed as described above, when the image recorded on the video tape is projected on the screen, the lever provided on the casing 2 is operated and the solid line in FIG. As shown, the liquid crystal display panel 7 is vertically erected. Then, by connecting a video camera to the projector device 1 and performing a predetermined operation, an image reproduced by the video camera is displayed on the liquid crystal display panel 7 of the projector device 1, and the direct light of the light bulb 4 and the reflecting mirror 3 are used. The reflected light sequentially passes through the condenser lens 6, the liquid crystal display panel 7, and the projection lens 8, and the image is projected on the screen in front of the projection lens 8.

When the image of the slide 18 is projected, the lever is operated to vertically raise the slide holder 12 as shown by the chain double-dashed line in FIG. 1 and FIG. From the slide insertion slot to the slide holder 12
The slide projection can be performed by inserting the slide 18 into the slide entrance 19 of. Further, when projecting the image of the film 14, as in the case of the slide projection, the slide holder 12 is vertically erected, and the slide holder 1 is inserted from the film insertion opening on the side portion of the casing 2.
Film projection can be performed by passing the film 14 through the film inlet 16 of No. 2 and the film outlet 17 of the slide holder 12 through the film outlet 17 on the side of the casing 2.

Further, when used as a video light or a flashlight, when the slide holder 12 is erected vertically, as in the case of slide projection, the direct light of the light bulb 4 or the light reflected by the reflecting mirror is generated. It is irradiated through the projection lens 8 from the window portion 20 of the. In this case, since the liquid crystal display panel 7 is flattened horizontally, most of the light emitted from the light bulb 4 is used as illumination light.

Next, a second embodiment will be described. Figure 4
Shows a schematic sectional view of a projector device according to a second embodiment. The projector device 1 according to the second embodiment has an original function of projecting a recorded image of a video tape on a screen, and also can be used as a light such as a video light or a flashlight. It is different from the first embodiment in that it is not provided with only the liquid crystal display panel 7. That is, the liquid crystal display panel 7 is supported and fixed to the panel holder 11, and this panel holder 11
The lower end portion of the is pivotally supported by the casing 2 by a hinge 13. The panel holder 11 is vertically erected and horizontally flattened by operating a lever provided on a side portion of the casing 2.

Therefore, when used as a normal projector device, the image displayed on the liquid crystal display panel 7 is projected on the screen by raising the panel holder 11 vertically and used as a video light or a flashlight. In this case, the panel holder 11 can be used as a light by horizontally flattening it as shown by the chain double-dashed line in FIG.

In the above-mentioned embodiment, the liquid crystal display panel or the slide holder is changed over by the standing and lying flat structure, but such a changing operation is optional.
For example, you may make it switch by rotating to the side.

[0019]

As described above, according to the present invention, since the liquid crystal display panel and the slide holder are switchably arranged, the image displayed on the liquid crystal display panel is screened when the liquid crystal display panel is arranged. Can be projected on. Further, by switching the liquid crystal display panel to the slide holder and arranging the slide holder, it is possible to project an image on a slide or a belt-shaped film. Also, when it is switched to the slide holder, it can be used as a video light or a flashlight. Furthermore, since the liquid crystal display panel is arranged so that it can be switched between the direction orthogonal to the optical axis of the light source and the direction parallel to the optical axis deviating from the optical axis, the liquid crystal display panel is installed in the direction orthogonal to the optical axis. By doing so, it can be used as an original projector device. Also,
By switching the liquid crystal display panel from the optical axis to a direction parallel to the optical axis, it becomes possible to use it as a video light or a flashlight. Therefore, the range of use of the projector device is widened, and it is possible to improve the marketability.

[Brief description of drawings]

FIG. 1 is a schematic sectional view of a projector device according to a first embodiment of the invention.

FIG. 2 is a perspective view showing a liquid crystal display panel and a slide holder.

FIG. 3 is a schematic perspective view showing an arrangement configuration of a main part of the projector device.

FIG. 4 is a schematic sectional view of a projector device according to a second embodiment of the invention.

[Explanation of symbols]

 1 Projector device 2 Casing 4 Light source 7 Liquid crystal display panel 10 Image projection window 12 Slide holder 14 Film 15 Holding part 16 Inlet 17 Outlet 18 Slide 19 Slide inlet

Claims (5)

[Claims]
1. A liquid crystal display panel that transmits light from the light source and a slide holder that holds a slide are switchably arranged between a light source provided in a casing and an image projection window. A projector device characterized by the above.
2. The projector device according to claim 1, wherein the slide holder has a belt-shaped film holding portion having an inlet and an outlet for the belt-shaped film.
3. The projector device according to claim 1, wherein the liquid crystal display panel and the slide holder are connected to each other at a predetermined angle and are switched by rotating.
4. The projector device according to claim 3, wherein the predetermined angle between the liquid crystal display panel and the slide holder is 90 °.
5. A direction in which a liquid crystal display panel installed between a light source provided in a casing and an image projection window is orthogonal to the optical axis of the light source and in a direction deviating from the optical axis and parallel to the optical axis. A projector device, wherein the projector device is provided so as to be switchable between and.
JP4233001A 1992-08-07 1992-08-07 Projector device Pending JPH0659239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4233001A JPH0659239A (en) 1992-08-07 1992-08-07 Projector device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4233001A JPH0659239A (en) 1992-08-07 1992-08-07 Projector device

Publications (1)

Publication Number Publication Date
JPH0659239A true JPH0659239A (en) 1994-03-04

Family

ID=16948260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4233001A Pending JPH0659239A (en) 1992-08-07 1992-08-07 Projector device

Country Status (1)

Country Link
JP (1) JPH0659239A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5851060A (en) * 1995-09-13 1998-12-22 Nikon Corporation Projective display device
BE1013591A3 (en) * 2000-07-10 2002-04-02 Barco Nv Projection device
JP2009180857A (en) * 2008-01-30 2009-08-13 Seiko Epson Corp Projector and portable apparatus with the same
JP2011017734A (en) * 2009-06-11 2011-01-27 Nikon Corp Electronic apparatus
US7922336B2 (en) 2005-03-01 2011-04-12 Panasonic Corporation Light source device for display device, display device, and method for adjusting image of display device
JP2011258094A (en) * 2010-06-11 2011-12-22 Nippon Signal Co Ltd:The Gate device
GB2531763A (en) * 2014-10-29 2016-05-04 Bamford Excavators Ltd Working machine
GB2531762A (en) * 2014-10-29 2016-05-04 Bamford Excavators Ltd Working machine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5851060A (en) * 1995-09-13 1998-12-22 Nikon Corporation Projective display device
BE1013591A3 (en) * 2000-07-10 2002-04-02 Barco Nv Projection device
US7922336B2 (en) 2005-03-01 2011-04-12 Panasonic Corporation Light source device for display device, display device, and method for adjusting image of display device
JP2009180857A (en) * 2008-01-30 2009-08-13 Seiko Epson Corp Projector and portable apparatus with the same
JP2011017734A (en) * 2009-06-11 2011-01-27 Nikon Corp Electronic apparatus
JP2011258094A (en) * 2010-06-11 2011-12-22 Nippon Signal Co Ltd:The Gate device
GB2531763A (en) * 2014-10-29 2016-05-04 Bamford Excavators Ltd Working machine
GB2531762A (en) * 2014-10-29 2016-05-04 Bamford Excavators Ltd Working machine

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